If one does not understand the usefulness of the useless and the uselessness of the useful, one cannot understand art.

An avant-garde man is like an enemy inside a city he is bent on destroying, against which he rebels; for like any system of government, an established form of expression is also a form of oppression. The avant-garde man is the opponent of an existing system.

Every message of despair is the statement of a situation from which everybody must freely try to find a way out.

People who don't read are brutes. It is better to write than to make war, isn't it?

I believe that in the history of art and of thought there has always been at every living moment of culture a will to renewal. This is not the prerogative of the last decade only. All history is nothing but a succession of crises - of rupture, repudiation and resistance. When there is no crisis, there is stagnation, petrifaction and death. All thought, all art is aggressive.

A man with a soul is not like every other man.

The end of childhood is when things cease to astonish us. When the world seems familiar, when one has got used to existence, one has become an adult.